- When in Dilley, Texas, you have a few options for dumping your RV's black water and gray water tanks.- Stop at the Rest Area - Medina County Northbound or the Rest Area - Medina County Southbound for convenient dump stations along your route.- If you prefer a more scenic location, head to Castroville Regional Park where they offer RV waste disposal facilities.- Another option is Alamo River RV Resort, which provides a dump station along with fresh water and a hose for flushing tanks.- Remember to dispose of any additional trash in the designated RV trash bin.





































































